The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 21, 1987
Filed:
Nov. 21, 1985
Applicant:
Inventor:
Yasushi Mori, Yokohama, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
74866 ; 74858 ; 74859 ; 3644241 ;
Abstract
According to the present invention, there is provided a device for controlling a motor vehicle installed with an engine and an automatic transmission during a shift in gear positon in the automatic transmission, the automatic transmission having an input shaft drivingly connected to the engine and an output shaft. In the device, an actual value in a speed ratio is accurately detected and thus monitored during a transient period involving a shift in gear position taking place in the automatic transmission, and a closed loop control is effected based on the actual speed ratio detected.